Pin bank



FIG. 1 is a front, top and right side perspective view of a pin bank showing my new design;

FIG. 2 is a rear, bottom and left side perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof, with the left side elevational view being a mirror image of FIG. 5; and,

FIG. 6 is a bottom plan view thereof.

The broken line portions of the disclosure are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a pin bank, as shown and described. 